| Vendor | Spec | Unit | Price | Currency | Date |
| Qingdao Shengze Chem | China national standards | MT | 874.82 | USD | 20251119 |
| Shandong Zhiheng | China national standards | MT | 907.27 | USD | 20251119 |
| Shanghai Guoke | China national standards | MT | 1281.18 | USD | 20251119 |
| Lihuayi Weiyuan Chem | China national standards | MT | 874.82 | USD | 20251119 |
| Shandong Jinshenrun Chem | China national standards | MT | 987.7 | USD | 20251119 |
| Shandong Xima | China national standards | MT | 888.93 | USD | 20251119 |
| Shandong Junfeng | China national standards | MT | 1058.25 | USD | 20251119 |
| Jinan Jinhao Chem | China national standards | MT | 1241.68 | USD | 20251119 |
| Shandong Hongyang Chem | China national standards | MT | 907.27 | USD | 20251119 |
| Beijing Yanshan Petro | China national standards | MT | 907.27 | USD | 20251119 |